java 调用linux 命令

引用

此段代码我是放在页面上运行的，测试有效(注意：要保证当前您拥有此目录的操作权限才可以，否则没用。所需包："java.io.*")

<%
		String sr = "";
		String ex = "";
	    BufferedReader bf = null;
	    java.lang.Process proc = null;
	    String [] para = new String[3];
	    para[0] = "/bin/sh";//固定参数
	    para[1] = "-c";//固定参数
	    para[2] = "mkdir /home/testpfb/comp_pfb/shuai12";//在此目录路径下创建一个名为shuai12的文件夹
	    
	try
	{
	     proc = Runtime.getRuntime().exec(para);
	     InputStream instr = proc.getInputStream();
	     bf = new BufferedReader(new InputStreamReader(instr));
	     String str;
	     while((str = bf.readLine()) != null)
	     {
	    	 sr += str ;
	     }
	}
	catch(IOException e)
	{
      	 ex = e.getMessage();
	}

	try {
           proc.waitFor();
        }
        catch (InterruptedException e) 
        {
            ex  = "process was interrupted";
        }


        if (proc.exitValue() != 0){
         ex =  "exit value was non-zero";
        }
        bf.close();
	 %>